RCC: Dau Hoang Viet is no longer principal shareholder

Dau Hoang Viet is no longer a principal shareholder of Railway Construction Corporation Joint Stock Company with information as follows:
- Name of stock held: RCC
- Number of shares held by principal shareholder before transaction: 2,066,240 shares (6.44%)
- Number of shares disposed: 2,066,240 shares
- Total holding following transaction and total percentage holding following transaction: 0 shares (0%)
- Date of transaction: 22/09/2025